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authorAlexey Dobriyan <adobriyan@gmail.com>2023-08-21 17:54:05 +0300
committerAndrew Morton <akpm@linux-foundation.org>2023-08-25 02:25:15 +0300
commited1af26cd24811c3ddb5e7a276e3c6362c989bba (patch)
tree89f406ce00bec47dcd9a1e90d40d0c83d00519a5 /drivers/char
parent543cd4c5e78b15def9d7e8626d7592cb3097f75e (diff)
downloadlinux-ed1af26cd24811c3ddb5e7a276e3c6362c989bba.tar.xz
drivers/char/mem.c: shrink character device's devlist[] array
Merge padding, shrinking "struct memdev" from 32 bytes to 24 bytes on 64-bit. Link: https://lkml.kernel.org/r/fe4d62ab-2427-4635-b9f4-467853fb63e3@p183 Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'drivers/char')
-rw-r--r--drivers/char/mem.c18
1 files changed, 9 insertions, 9 deletions
diff --git a/drivers/char/mem.c b/drivers/char/mem.c
index 0fcc8615fb4f..1052b0f2d4cf 100644
--- a/drivers/char/mem.c
+++ b/drivers/char/mem.c
@@ -692,23 +692,23 @@ static const struct file_operations full_fops = {
static const struct memdev {
const char *name;
- umode_t mode;
const struct file_operations *fops;
fmode_t fmode;
+ umode_t mode;
} devlist[] = {
#ifdef CONFIG_DEVMEM
- [DEVMEM_MINOR] = { "mem", 0, &mem_fops, FMODE_UNSIGNED_OFFSET },
+ [DEVMEM_MINOR] = { "mem", &mem_fops, FMODE_UNSIGNED_OFFSET, 0 },
#endif
- [3] = { "null", 0666, &null_fops, FMODE_NOWAIT },
+ [3] = { "null", &null_fops, FMODE_NOWAIT, 0666 },
#ifdef CONFIG_DEVPORT
- [4] = { "port", 0, &port_fops, 0 },
+ [4] = { "port", &port_fops, 0, 0 },
#endif
- [5] = { "zero", 0666, &zero_fops, FMODE_NOWAIT },
- [7] = { "full", 0666, &full_fops, 0 },
- [8] = { "random", 0666, &random_fops, FMODE_NOWAIT },
- [9] = { "urandom", 0666, &urandom_fops, FMODE_NOWAIT },
+ [5] = { "zero", &zero_fops, FMODE_NOWAIT, 0666 },
+ [7] = { "full", &full_fops, 0, 0666 },
+ [8] = { "random", &random_fops, FMODE_NOWAIT, 0666 },
+ [9] = { "urandom", &urandom_fops, FMODE_NOWAIT, 0666 },
#ifdef CONFIG_PRINTK
- [11] = { "kmsg", 0644, &kmsg_fops, 0 },
+ [11] = { "kmsg", &kmsg_fops, 0, 0644 },
#endif
};